Accessory for smoke outlet comprises spoiler surface located in front of outlet frame corners and centered perpendicular to corner bisector

摘要

The accessory consists of a spoiler surface (13) located in front of the corners of the outlet frame (3). This surface is centered and located perpendicular to the bisector (14) of the corresponding corner. Its length (Lsd) is of the order of half the hydraulic diameter of the opening (2) and its height is of the order of that of the frame. The upper edge of the deflector surface is located above the frame upper edge.